Jason Lettmann - 17 Aug 2026 Form 4 Insider Report for ALX ONCOLOGY HOLDINGS INC (ALXO)

Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
18 Aug 2026, 17:51:24 UTC
Prior SEC filing
23 Mar 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Shelly Wong, by power of attorney

Key filing fact

Jason Lettmann filed Form 4 for ALX ONCOLOGY HOLDINGS INC (ALXO) on 18 Aug 2026.

Key facts

  • This page summarizes Jason Lettmann's Form 4 filing for ALX ONCOLOGY HOLDINGS INC (ALXO).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 18 Aug 2026, 17:51.

Change

  • Previous filing in this sequence was filed on 23 Mar 2026.
  • Current net transaction value: -$4,304.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001688269 Primary reporting owner

Lettmann Jason

Relationship
CHIEF EXECUTIVE OFFICER, Director
Address
C/O ALX ONCOLOGY HOLDINGS INC., 323 ALLERTON AVENUE, SOUTH SAN FRANCISCO
Signature
/s/ Shelly Wong, by power of attorney
Signature date
18 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ALXO transaction

Common Stock

Sale

Transaction value
$4,304
Shares
-2,230
Change %
-0.75%
Price
$1.93
Shares after
294,379
Date
17 Aug 2026
Ownership
Direct
Footnotes
F1, F2
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The reported shares were sold to satisfy the reporting person's tax obligations in connection with the vesting of restricted stock units.

Footnote F2

Includes 3,000 shares acquired under the Issuer's employee stock purchase plan on June 30, 2026.

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